<?php
$config['redis']['instance1'] = array(
    'default' => array(
        'host' => '127.0.0.1',
        'port' => '6379',
        'timeout' => 5,
        'pconnect' => 1,
        'password' => '',
    )
);
$config['redis']['instance2'] = array(
    'default' => array(
        'host' => '127.0.0.1',
        'port' => '6379',
        'timeout' => 5,
        'pconnect' => 1,
        'password' => '',
    )
);